`6`.I spent two hours planning my next summer vacation

`\rightarrow` S + spend ( s / es ) / spent + time + V-ing / N : Dành thời gian để làm gì

`7`.You'd better not make noise in hospital

`\rightarrow` Should ( not ) + V `=` Had better ( not ) + V : Nên làm gì

`8`.No one in my class is more intelligent than Lan

`\rightarrow` So sánh hơn : S1 + is / am / are + adj-er / more adj + than + S2

`9`.Our summer vacation lasts two months

`\rightarrow` Thì HTĐ : S + Vs / es / không s , es

`\rightarrow` last + time : Kéo dài bao lâu

`10`.What is the height of the Big Ben Clock Tower ?

`\rightarrow` Hỏi về chiều cao : What is the height of + sth ?

`\text{# Kirigiri}`

6. I spent two hours planning my next summer vacation

=> spend ... Ving: dành thời gian làm gì

7. not make noise in the hospital

=> had better (not) Vinf: tốt hơn hết (không) nên làm gì

8. in my class is more intelligent than Lan

=> so sánh hơn với tính từ dài: more + adj + than

9. two months

=> last + khoảng thời gian: kéo dài bao lâu

10. is the height of the Big Ben Clock Tower

=> How high + tobe + N? = What + tobe + the height of + N?: hỏi độ cao